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[Qemu-devel] [RfC PATCH 07/10] io: add qio_buffer tracing
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [RfC PATCH 07/10] io: add qio_buffer tracing |
Date: |
Thu, 24 Sep 2015 10:42:05 +0200 |
Signed-off-by: Gerd Hoffmann <address@hidden>
---
io/buffer.c | 10 ++++++++++
trace-events | 6 ++++++
2 files changed, 16 insertions(+)
diff --git a/io/buffer.c b/io/buffer.c
index 96077d3..05425c2 100644
--- a/io/buffer.c
+++ b/io/buffer.c
@@ -19,6 +19,7 @@
*/
#include "io/buffer.h"
+#include "trace.h"
#define QIO_BUFFER_MIN_INIT_SIZE 4096
@@ -37,6 +38,7 @@ void qio_buffer_reserve(QIOBuffer *buffer, size_t len)
buffer->capacity = pow2ceil(buffer->offset + len);
buffer->capacity = MAX(buffer->capacity, QIO_BUFFER_MIN_INIT_SIZE);
buffer->buffer = g_realloc(buffer->buffer, buffer->capacity);
+ trace_qio_buffer_resize(buffer->name ?: "unnamed", buffer->capacity);
}
}
@@ -57,6 +59,7 @@ void qio_buffer_reset(QIOBuffer *buffer)
void qio_buffer_free(QIOBuffer *buffer)
{
+ trace_qio_buffer_free(buffer->name ?: "unnamed");
g_free(buffer->buffer);
g_free(buffer->name);
buffer->offset = 0;
@@ -80,6 +83,9 @@ void qio_buffer_advance(QIOBuffer *buffer, size_t len)
void qio_buffer_move_empty(QIOBuffer *to, QIOBuffer *from)
{
+ trace_qio_buffer_move_empty(to->name ?: "unnamed",
+ from->offset,
+ from->name ?: "unnamed");
assert(to->offset == 0);
g_free(to->buffer);
@@ -99,6 +105,10 @@ void qio_buffer_move(QIOBuffer *to, QIOBuffer *from)
return;
}
+ trace_qio_buffer_move(to->name ?: "unnamed",
+ from->offset,
+ from->name ?: "unnamed");
+
qio_buffer_reserve(to, from->offset);
qio_buffer_append(to, from->buffer, from->offset);
diff --git a/trace-events b/trace-events
index 88a2f14..0f06b64 100644
--- a/trace-events
+++ b/trace-events
@@ -1376,6 +1376,12 @@ spapr_iommu_new_table(uint64_t liobn, void *tcet, void
*table, int fd) "liobn=%"
# hw/ppc/ppc.c
ppc_tb_adjust(uint64_t offs1, uint64_t offs2, int64_t diff, int64_t seconds)
"adjusted from 0x%"PRIx64" to 0x%"PRIx64", diff %"PRId64" (%"PRId64"s)"
+# io/buffer.c
+qio_buffer_resize(const char *buf, size_t len) "%s: len %zd"
+qio_buffer_move_empty(const char *buf, size_t len, const char *from) "%s: %zd
bytes from %s"
+qio_buffer_move(const char *buf, size_t len, const char *from) "%s: %zd bytes
from %s"
+qio_buffer_free(const char *buf) "%s"
+
# util/hbitmap.c
hbitmap_iter_skip_words(const void *hb, void *hbi, uint64_t pos, unsigned long
cur) "hb %p hbi %p pos %"PRId64" cur 0x%lx"
hbitmap_reset(void *hb, uint64_t start, uint64_t count, uint64_t sbit,
uint64_t ebit) "hb %p items %"PRIu64",%"PRIu64" bits %"PRIu64"..%"PRIu64
--
1.8.3.1
- [Qemu-devel] [RfC PATCH 00/10] vnc buffer handling, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 03/10] vnc: make the Buffer capacity increase in powers of two, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 04/10] io: add qio_buffer_init, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 01/10] io/ makefile fluff, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 06/10] io: add qio_buffer_move, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 09/10] vnc: kill jobs queue buffer, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 07/10] io: add qio_buffer tracing,
Gerd Hoffmann <=
- [Qemu-devel] [RfC PATCH 08/10] name vnc buffers, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 05/10] io: add qio_buffer_move_empty, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 10/10] vnc-jobs: move buffer reset, use new buffer move, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 02/10] io: pull Buffer code out of VNC module, Gerd Hoffmann, 2015/09/24